데이터 표
| 1990 | 21.3% | 2003 | 20.4% | 2016 | 24.1% |
| 1991 | 19.9% | 2004 | 21.2% | 2017 | 24.6% |
| 1992 | 20.4% | 2005 | 23.2% | 2018 | 24.2% |
| 1993 | 21.1% | 2006 | 24.2% | 2019 | 23.2% |
| 1994 | 19.2% | 2007 | 26.3% | 2020 | 27% |
| 1995 | 18.7% | 2008 | 28.9% | 2021 | 24.2% |
| 1996 | 18.5% | 2009 | 26.5% | 2022 | 26.5% |
| 1997 | 20.1% | 2010 | 24.8% | 2023 | 25.8% |
| 1998 | 20.2% | 2011 | 25.2% | 2024 | 26.9% |
| 1999 | 21.6% | 2012 | 25.9% | 2025 | 27.7% |
| 2000 | 20.8% | 2013 | 25.7% | 2026 | 28.1% |
| 2001 | 19.9% | 2014 | 25.9% | | |
| 2002 | 21.4% | 2015 | 23.9% | | |
데이터 표
| 1990 | 572억 | 2003 | 1,098억 | 2016 | 2,640억 |
| 1991 | 605억 | 2004 | 1,211억 | 2017 | 2,824억 |
| 1992 | 637억 | 2005 | 1,386억 | 2018 | 2,898억 |
| 1993 | 672억 | 2006 | 1,580억 | 2019 | 2,881억 |
| 1994 | 682억 | 2007 | 1,844억 | 2020 | 3,109억 |
| 1995 | 676억 | 2008 | 2,241억 | 2021 | 3,084억 |
| 1996 | 751억 | 2009 | 2,145억 | 2022 | 3,530억 |
| 1997 | 811억 | 2010 | 2,104억 | 2023 | 3,824억 |
| 1998 | 879억 | 2011 | 2,233억 | 2024 | 4,300억 |
| 1999 | 956억 | 2012 | 2,377억 | 2025 | 4,735억 |
| 2000 | 929억 | 2013 | 2,500억 | 2026 | 5,127억 |
| 2001 | 961억 | 2014 | 2,593억 | | |
| 2002 | 1,080억 | 2015 | 2,577억 | | |
데이터 표
| 1990 | 22.6% | 2003 | 24.1% | 2016 | 28.6% |
| 1991 | 20.8% | 2004 | 24.5% | 2017 | 27.9% |
| 1992 | 22.3% | 2005 | 28.6% | 2018 | 27.8% |
| 1993 | 23.1% | 2006 | 26% | 2019 | 27% |
| 1994 | 21.7% | 2007 | 26.4% | 2020 | 34.1% |
| 1995 | 21.3% | 2008 | 28.3% | 2021 | 30.1% |
| 1996 | 17.6% | 2009 | 28.1% | 2022 | 31.8% |
| 1997 | 18.6% | 2010 | 28.7% | 2023 | 30.2% |
| 1998 | 18.7% | 2011 | 31.2% | 2024 | 30.9% |
| 1999 | 18.4% | 2012 | 32.5% | 2025 | 31.3% |
| 2000 | 22.8% | 2013 | 30.4% | 2026 | 31.7% |
| 2001 | 23.7% | 2014 | 30.7% | | |
| 2002 | 25.8% | 2015 | 28.5% | | |
데이터 표
| 1990 | 608억 | 2003 | 1,300억 | 2016 | 3,131억 |
| 1991 | 633억 | 2004 | 1,401억 | 2017 | 3,203억 |
| 1992 | 694억 | 2005 | 1,713억 | 2018 | 3,319억 |
| 1993 | 736억 | 2006 | 1,697억 | 2019 | 3,352억 |
| 1994 | 771억 | 2007 | 1,852억 | 2020 | 3,932억 |
| 1995 | 767억 | 2008 | 2,192억 | 2021 | 3,840억 |
| 1996 | 716억 | 2009 | 2,277억 | 2022 | 4,246억 |
| 1997 | 751억 | 2010 | 2,438억 | 2023 | 4,476억 |
| 1998 | 815억 | 2011 | 2,772억 | 2024 | 4,927억 |
| 1999 | 814억 | 2012 | 2,986억 | 2025 | 5,340억 |
| 2000 | 1,017억 | 2013 | 2,957억 | 2026 | 5,771억 |
| 2001 | 1,144억 | 2014 | 3,072억 | | |
| 2002 | 1,300억 | 2015 | 3,072억 | | |